GSD-2023-1000660 tracing/user_events: Fix call print_fmt leak
A memory leak in the Linux kernel's user_events tracing subsystem can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1000660?
GSD-2023-1000660 is a memory corruption vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
tracing/user_events: Fix call print_fmt leak
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.0.16 by commit b8aeaa8f0a9a495a2354d748939f66333daae23f, it was introduced in version v5.18 by commit aa3b2b4c669205200615dd8a2cc4af4f81fd0335. For more details please see the references link.
Which versions are affected by GSD-2023-1000660?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000660?
No fix has been published for GSD-2023-1000660 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2023-1000660 being exploited?
There is no known exploitation of GSD-2023-1000660 in the wild and no public exploit code.